package cn.wolfcode.car.business.service.impl;

import cn.wolfcode.car.business.domain.BpmnInfo;
import cn.wolfcode.car.business.mapper.BpmnInfoMapper;
import cn.wolfcode.car.business.query.BpmnInfoQuery;
import cn.wolfcode.car.business.service.IBpmnInfoService;
import cn.wolfcode.car.common.base.page.TablePageInfo;
import cn.wolfcode.car.common.config.SystemConfig;
import cn.wolfcode.car.common.exception.BusinessException;
import cn.wolfcode.car.common.util.Convert;
import com.github.pagehelper.PageHelper;
import org.activiti.bpmn.model.BpmnModel;
import org.activiti.engine.RepositoryService;
import org.activiti.engine.repository.Deployment;
import org.activiti.engine.repository.ProcessDefinition;
import org.activiti.image.ProcessDiagramGenerator;
import org.activiti.image.impl.DefaultProcessDiagramGenerator;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.InputStream;
import java.util.Collections;
import java.util.Date;
import java.util.List;
import java.util.zip.ZipInputStream;


@Service
@Transactional
public class BpmnInfoServiceImpl implements IBpmnInfoService {

    @Autowired
    private BpmnInfoMapper bpmnInfoMapper;
    @Autowired
    private RepositoryService repositoryService;



    @Override
    public TablePageInfo<BpmnInfo> query(BpmnInfoQuery qo) {
        PageHelper.startPage(qo.getPageNum(), qo.getPageSize());
        return new TablePageInfo<BpmnInfo>(bpmnInfoMapper.selectForList(qo));
    }


    @Override
    public void save(BpmnInfo bpmnInfo) {
        bpmnInfoMapper.insert(bpmnInfo);
    }

    @Override
    public BpmnInfo get(Long id) {
        return bpmnInfoMapper.selectByPrimaryKey(id);
    }


    @Override
    public void update(BpmnInfo bpmnInfo) {
        bpmnInfoMapper.updateByPrimaryKey(bpmnInfo);
    }

    @Override
    public void deleteBatch(String ids) {
        Long[] dictIds = Convert.toLongArray(ids);
        for (Long dictId : dictIds) {
            bpmnInfoMapper.deleteByPrimaryKey(dictId);
        }
    }

    @Override
    public List<BpmnInfo> list() {
        return bpmnInfoMapper.selectAll();
    }

    @Override
    public void deploy(String bpmnPath, String bpmnType, String info) throws FileNotFoundException {
        Deployment deploy = null;
        String lowStr = bpmnPath.toLowerCase();

        FileInputStream stream = new FileInputStream(new File(SystemConfig.getProfile(),bpmnPath));
        if(lowStr.endsWith("zip")){
            deploy = repositoryService.createDeployment()
                    .addZipInputStream(new ZipInputStream(stream))
                    .deploy();

        }else if(lowStr.endsWith("bpmn")){
            deploy = repositoryService.createDeployment()
                    .addInputStream(bpmnPath, stream)
                    .deploy();
        }

        if(deploy != null){
            ProcessDefinition processDefinition = repositoryService.createProcessDefinitionQuery()
                    .deploymentId(deploy.getId())
                    .latestVersion()
                    .singleResult();
            BpmnInfo bpmnInfo = new BpmnInfo();

            bpmnInfo.setBpmnType(bpmnType);
            bpmnInfo.setDeploymentId(deploy.getId());
            bpmnInfo.setDeployTime(deploy.getDeploymentTime());
            bpmnInfo.setInfo(info);

            bpmnInfo.setActProcessId(processDefinition.getId());
            bpmnInfo.setActProcessKey(processDefinition.getKey());
            bpmnInfo.setBpmnName(processDefinition.getName());
            bpmnInfoMapper.insert(bpmnInfo);
        }



    }

    @Override
    public void changePage(BpmnInfo bpmnInfo) {
        bpmnInfoMapper.changePage(bpmnInfo);
    }

    @Override
    public void delete(Long id) {
        BpmnInfo bpmnInfo = this.get(id);
        repositoryService.deleteDeployment(bpmnInfo.getDeploymentId());
        bpmnInfoMapper.deleteByPrimaryKey(id);
    }

    @Override
    public InputStream readResource(String deploymentId, String type) {
        ProcessDefinition processDefinition = repositoryService.createProcessDefinitionQuery()
                .deploymentId(deploymentId)
                .latestVersion()
                .singleResult();
        if("xml".equalsIgnoreCase(type)){
            return repositoryService.getResourceAsStream(deploymentId,processDefinition.getResourceName());
        }else if("png".equalsIgnoreCase(type)){
            BpmnModel model = repositoryService.getBpmnModel(processDefinition.getId());
            ProcessDiagramGenerator generator = new DefaultProcessDiagramGenerator();
            //generateDiagram(流程模型,需要高亮的节点,需要高亮的线条,后面三个参数都表示是字体)
            InputStream inputStream = generator.generateDiagram(model, Collections.EMPTY_LIST, Collections.EMPTY_LIST,
                    "宋体","宋体","宋体");
            return inputStream;
        }
        return null;
    }

    @Override
    public BpmnInfo queryByType(String car_package) {
        return bpmnInfoMapper.selectByType(car_package);
    }


}
